add frontend/vben from vben-admin-thin

frontend/vben/build/vite/plugin/imagemin.ts

@@ -0,0 +1,34 @@
+// Image resource files used to compress the output of the production environment
+// https://github.com/anncwb/vite-plugin-imagemin
+import viteImagemin from 'vite-plugin-imagemin';
+
+export function configImageminPlugin() {
+  const plugin = viteImagemin({
+    gifsicle: {
+      optimizationLevel: 7,
+      interlaced: false,
+    },
+    optipng: {
+      optimizationLevel: 7,
+    },
+    mozjpeg: {
+      quality: 20,
+    },
+    pngquant: {
+      quality: [0.8, 0.9],
+      speed: 4,
+    },
+    svgo: {
+      plugins: [
+        {
+          name: 'removeViewBox',
+        },
+        {
+          name: 'removeEmptyAttrs',
+          active: false,
+        },
+      ],
+    },
+  });
+  return plugin;
+}